配电箱壳体技巧交底改(国外英文资料).docVIP

配电箱壳体技术交底改(国外英文资料) Screw the bolts one by one. The three JDG pipe is joined by threaded joint of the box casing, and the line tube is two to three wire buckles in the distribution box, and the length is uniform. Figure 4.1.3-1, in the case of the box casing. Dark assembly electrical box installation: 1 case of case with the wall of the living wall, use a horizontal ruler or a ruler to check. The connection of the pipe is the same as the light assembly box. The box is fixed, and then the strength is not less than the M10 (1:2.5) cement mortar fills the surrounding area and is smooth, and the water is applied in the area around the opening of the cave. If the bottom of the case and the outside wall are in the same place, should be in the outside wall of fixed metal net, do the metope to wipe the dust, not to wipe the dust on the bottom board of the box. The 4 dark assembly box installation schematic is shown in figure 4.3-2, the inside of the box is pointing upwards. 4.1.4 pipe sealing When the distribution box is installed, plug the head of the pipe and prevent the pipe from being blocked. 4.1.5 ground wire installation The line and tube, line and box are intergrafed with 4mm2 bare copper wire. 2 Ming assembly electrical box expansion bolts and box body, line works 4mm2 bare copper wire for cross-connection. The 3.jdg pipe shall be connected with a special ground connection and shall not be used for sealing the ground wire. 5.1 control points 5.1.1 key points and key links To locate the distribution box according to the elevation line of the earth, the construction teams are required to check with the horizontal and horizontal pipe. The distribution box is pressed to the end of the wall, and the construction teams are required to be constructed according to the construction process, and the box is finished in the box Special precautions note Construction enterprises Inspect the conclusion of the supervision (construction) unit Disclosure of Date of the year Team lea